CN214670217U - Automatic feeding system for liquid raw materials - Google Patents
Automatic feeding system for liquid raw materials Download PDFInfo
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- CN214670217U CN214670217U CN202120029461.7U CN202120029461U CN214670217U CN 214670217 U CN214670217 U CN 214670217U CN 202120029461 U CN202120029461 U CN 202120029461U CN 214670217 U CN214670217 U CN 214670217U
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- metering pump
- discharge valve
- valve
- plc control
- main cabinet
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Abstract
The utility model relates to a manganese metal chemical industry equipment technical field, concretely relates to automatic dispensing system of liquid raw materials. Comprises a PLC control main cabinet, a discharge valve, a flowmeter, a metering pump and a blanking valve; the raw material tank is communicated with the metering pump through a pipeline; the metering pump is communicated with the stirring tank through a pipeline; the discharge valve is arranged on a pipeline which is communicated with the metering pump by the raw material tank; the flowmeter and the blanking valve are sequentially arranged on a pipeline communicated with the metering pump and the stirring tank; the discharge valve, the flowmeter, the metering pump and the blanking valve are respectively connected with the PLC control main cabinet. The utility model provides an accidental of manual operation and the input that factors such as randomness caused inaccurate, inhomogeneous scheduling problem to and lead to the raw materials extravagant, operate numerous and diverse, with high costs high scheduling problem, avoided manual operation to put in industrial chemicals's safety problem simultaneously, the utility model discloses simple easy operation, the practicality is strong. The utility model discloses set up relief pressure valve blue, avoided the valve vibrations, improved the life of valve.
Description
Technical Field
The utility model relates to a manganese metal chemical industry equipment technical field, concretely relates to automatic dispensing system of liquid raw materials.
Background
In the present manganese metal chemical industry, liquid raw materials such as sulfuric acid, ammonia water, SDD and dicationic water are added mostly by manual feeding, accidental and random manual operation exists, the problems of inaccurate and uneven feeding are easily caused, the raw materials are easily wasted, the operation is complicated, the cost consumption is high, and the safety problem can also exist when the chemical raw materials are fed by manual operation.
Disclosure of Invention
In order to solve the problem, the utility model provides an automatic dispensing system of liquid raw materials, concrete technical scheme is as follows:
an automatic liquid raw material feeding system comprises a PLC control main cabinet, a discharge valve, a flowmeter, a metering pump and a discharging valve; the raw material tank is communicated with the metering pump through a pipeline; the metering pump is communicated with the stirring tank through a pipeline; the discharge valve is arranged on a pipeline of the raw material tank communicated with the metering pump; the flowmeter and the blanking valve are sequentially arranged on a pipeline communicated with the metering pump and the stirring tank; the discharge valve, the flowmeter, the metering pump and the blanking valve are respectively connected with the PLC control main cabinet;
the discharge valve is used for controlling whether the raw material in the raw material tank flows out of the raw material tank or not; the metering pump is used for controlling the outflow speed of the raw materials in the raw material tank; the flowmeter is used for measuring the instantaneous flow of the corresponding raw material flowing out of the pipeline and transmitting the measured data to the PLC control main cabinet; the blanking valve is used for controlling whether the raw materials in the pipeline flow into the corresponding stirring tank or not; and the PLC control main cabinet is used for controlling the opening and closing of the discharge valve and the blanking valve and controlling the rotating speed of the metering pump according to the measurement data of the flow meter.
Preferably, the device also comprises a control computer; the control computer is connected with the PLC control main cabinet and used for sending feeding control signals to the PLC control main cabinet so that the PLC control main cabinet controls the opening and closing of the corresponding discharge valve and the corresponding discharge valve according to the feeding signals.
Preferably, the raw material tanks are provided with a plurality of raw material tanks, and each raw material tank is connected with a discharge valve; a plurality of stirring tanks are arranged; and the discharge valve of each raw material tank is connected with a discharge valve matched with the number of the stirring tanks.
Preferably, the PLC control main cabinet is communicated with the flowmeter in a 485 communication mode.
Preferably, a pressure relief flange is also included; and the pressure reducing flange is arranged at the outlet end of the discharge valve and/or the blanking valve.
Preferably, a liquid level sensor is also included; the liquid level sensor is installed in the stirring tank and is in communication connection with the PLC control main cabinet, and is used for measuring the liquid level in the stirring tank and transmitting the measurement data to the PLC control main cabinet for processing.
Preferably, the PLC control main cabinet is connected with the metering pump through the frequency converter, and the frequency converter is used for adjusting the rotating speed of the metering pump under the control of the PLC control main cabinet.
The utility model has the advantages that: the utility model provides an accidental of manual operation and the input that factors such as randomness caused inaccurate, inhomogeneous scheduling problem to and lead to the raw materials extravagant, operate numerous and diverse, with high costs high scheduling problem, avoided manual operation to put in industrial chemicals's safety problem simultaneously, the utility model discloses simple easy operation, the practicality is strong. The utility model discloses set up relief pressure valve blue, avoided the valve vibrations, improved the life of valve.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a control schematic diagram of the present invention;
FIG. 3 is a schematic view of the shock absorbing flange of the present invention;
fig. 4 is a schematic structural view of the shock absorbing flange of the present invention.
Detailed Description
For a better understanding of the present invention, the following further description is made in conjunction with the accompanying drawings and the specific embodiments:
as shown in fig. 1 and 2, an automatic liquid raw material feeding system comprises a PLC control main cabinet, a discharge valve, a flow meter, a metering pump, and a discharge valve; the raw material tank is communicated with the metering pump through a pipeline; the metering pump is communicated with the stirring tank through a pipeline; the discharge valve is arranged on a pipeline which is communicated with the metering pump by the raw material tank; the flowmeter and the blanking valve are sequentially arranged on a pipeline communicated with the metering pump and the stirring tank; the discharge valve, the flowmeter, the metering pump and the blanking valve are respectively connected with the PLC control main cabinet;
the discharge valve is used for controlling whether the raw material in the raw material tank flows out of the raw material tank or not; the metering pump is used for controlling the outflow speed of the raw materials in the raw material tank; the flowmeter is used for measuring the instantaneous flow of the corresponding raw material flowing out of the pipeline and transmitting the measured data to the PLC control main cabinet; the blanking valve is used for controlling whether the raw materials in the pipeline flow into the corresponding stirring tank or not; the PLC control main cabinet is used for controlling the opening and closing of the discharge valve and the blanking valve and controlling the rotating speed of the metering pump according to the measurement data of the flow meter. The PLC control main cabinet is communicated with the flowmeter in a 485 communication mode. The utility model also comprises a liquid level sensor; the liquid level sensor is installed in the stirring pond and with the general cabinet communication connection of PLC control for measure the liquid level in the stirring pond and with the general cabinet of PLC control transmission handle. The PLC control main cabinet comprises a touch screen, a PLC controller, an SD card, an analog-to-digital conversion module, a digital-to-analog conversion module, an expansion board, a communication board and the like, wherein the touch screen, the SD card, the analog-to-digital conversion module, the digital-to-analog conversion module, the expansion board and the communication board are respectively connected with the PLC controller. The touch screen is installed on the cabinet body, and PLC controller, SD card, analog-to-digital conversion module, digital-to-analog conversion module, expansion board, communication board are installed in the cabinet body. In the embodiment, the PLC controller adopts a Mitsubishi FX3u-64MR-ES-1PLC controller, the touch screen adopts a Mitsubishi GT2308-VTBD touch screen, the SD card adopts an LIMEM-2GBSD card, the analog-to-digital conversion module adopts a Mitsubishi FX2N-4AD analog-to-digital conversion module, the digital-to-analog conversion module adopts a Mitsubishi FX2N-4DA digital-to-analog conversion module, the expansion board adopts an FX3U-CNV-BD expansion board, and the communication board adopts a Mitsubishi FX3U-485ADP-MB communication board.
The utility model also comprises a control computer; the control computer is connected with the PLC control main cabinet and used for sending a feeding control signal to the PLC control main cabinet so that the PLC control main cabinet controls the opening and closing of the corresponding discharge valve and the corresponding discharge valve according to the feeding signal.
The utility model has a plurality of raw material tanks, and each raw material tank is connected with a discharge valve; a plurality of stirring tanks are arranged; the discharge valve of each raw material tank is connected with a discharge valve matched with the number of the stirring tanks. For example, in fig. 1, there are 4 material tanks, each material tank is connected with 1 discharge valve at the bottom, there are 21 stirring tanks in total, and then each discharge valve is connected with 21 discharge valves, and each discharge valve controls one material to enter into the corresponding stirring tank.
The utility model discloses still include the converter, the total cabinet of PLC control passes through the converter and is connected with the measuring pump, the converter is used for adjusting the rotational speed of measuring pump under the control of the total cabinet of PLC control. The frequency converter adopts a Mitsubishi FR-A840-3KW frequency converter.
The utility model discloses still include the clock module, the clock module is connected with the total cabinet of PLC control for set for corresponding time, realize regularly throwing the material.
The utility model discloses a flowmeter adopts LDE-50(modbus RTU communication) flowmeter, adopts polytetrafluoroethylene to do the inside lining. The metering pump can be selected from FZB fluoroplastic self-priming pumps with the models of 15FZB-20L, 25FZB-20L, 50FZB-20L and the like. The discharge valve and the blanking valve are stainless steel electric valves such as DN25, DN15, DN50 and the like.
The utility model discloses a theory of operation does: control computer sends and throws the material signal to the total cabinet of PLC control, throw the material signal including throw the raw materials kind of material, the stirring pond number, throw the total amount of material, the input time, the total cabinet of PLC control is opened according to the bleeder valve of throwing the corresponding head tank of material signal control, the unloading valve that corresponds this bleeder valve on the corresponding stirring pond is opened, start the measuring pump and gather the instantaneous flow of flowmeter in real time, send the frequency that control signal changes the converter to the converter after comparing with the flow of setting for, and then the output quantity of adjustment measuring pump. After the set total amount of fed materials is reached, the PLC controls the main cabinet to control the discharge valve, the metering pump and the discharging valve to be closed. And when the liquid level in the stirring tank reaches the set liquid level, closing the corresponding discharge valve, the metering pump and the discharge valve, and sending an alarm signal to the PLC control main cabinet.
The utility model discloses can put in multiple industrial chemicals simultaneously, can realize centralized control, a key starts. The utility model discloses a main controlgear settings such as cabinet of PLC control, control computer are in centralized control room, and the setting of executive equipment such as bleeder valve, flowmeter, measuring pump, blanking valve is at the production site, and separately controlgear and executive equipment have avoided the dangerous problem of operation industrial chemicals. The utility model provides an accurate input of every measuring pump control a raw materials, and only set up one set of intercommunication pipeline, realize one set of pipeline and carry out multiple material input, the cost is reduced. The utility model discloses a blanking valve adopts the check valve, places the interior raw materials suck-back of stirring pond, injures corresponding equipment.
The utility model can realize the effect of accurate feeding of raw materials, saves more than working time compared with manual feeding, and achieves the effects of energy saving and consumption reduction; can realize releasing human resources, change the traditional mill of traditional intensive labour's operation, practiced thrift labour cost, adopt the utility model discloses afterwards, the aqueous ammonia is put in and is adopted the multiple spot evenly to add, reduces to combine to make in the liquid and play manganese rate.
The utility model also comprises a pressure reducing flange; the pressure reducing flange is arranged at the outlet end of the discharge valve and/or the blanking valve.
As shown in fig. 3, when the damping flange is not installed, the pressure born at the inlet of the discharge valve is greater than the pressure at the outlet of the discharge valve, or the pressure born at the inlet of the discharge valve is greater than the pressure at the outlet of the discharge valve, when the discharge valve or the discharge valve receives an opening signal sent from the PLC control master cabinet, the discharge valve or the discharge valve is not completely opened, and the discharge valve or the discharge valve generates great vibration due to the pressure difference at the inlet and the outlet of the discharge valve or the discharge valve, thereby damaging the discharge valve or the discharge valve and other accessory parts.
As shown in fig. 4, the pressure reducing flanges are correspondingly installed at the outlet ends of the discharge valve and the blanking valve, the central holes of the pressure reducing flanges are not aligned with the central hole of the pipeline and are smaller than the central hole of the pipeline, when the discharge valve or the blanking valve is opened, liquid at the outlet of the discharge valve or the blanking valve is blocked by the pressure reducing flanges, the situation that the pressure at the two ends of the discharge valve and the blanking valve suddenly changes is relieved, the pressure at the inlet and the outlet of the discharge valve and the blanking valve is balanced, the pressure is transferred to the pressure reducing flanges, and the problem that the pressure at the two ends of the discharge valve and the blanking valve is unbalanced is solved.
The present invention is not limited to the above-described embodiments, but only to the preferred embodiments of the present invention, and the present invention is not limited thereto, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic dispensing system of liquid raw materials which characterized in that: comprises a PLC control main cabinet, a discharge valve, a flowmeter, a metering pump, a blanking valve and a raw material tank; the raw material tank is communicated with the metering pump through a pipeline; the metering pump is communicated with the stirring tank through a pipeline; the discharge valve is arranged on a pipeline of the raw material tank communicated with the metering pump; the flowmeter and the blanking valve are sequentially arranged on a pipeline communicated with the metering pump and the stirring tank; the discharge valve, the flowmeter, the metering pump and the blanking valve are respectively connected with the PLC control main cabinet;
the discharge valve is used for controlling whether the raw material in the raw material tank flows out of the raw material tank or not; the metering pump is used for controlling the outflow speed of the raw materials in the raw material tank; the flowmeter is used for measuring the instantaneous flow of the corresponding raw material flowing out of the pipeline and transmitting the measured data to the PLC control main cabinet; the blanking valve is used for controlling whether the raw materials in the pipeline flow into the corresponding stirring tank or not; and the PLC control main cabinet is used for controlling the opening and closing of the discharge valve and the blanking valve and controlling the rotating speed of the metering pump according to the measurement data of the flow meter.
2. The automatic feeding system of liquid raw materials according to claim 1, characterized in that: the device also comprises a control computer; the control computer is connected with the PLC control main cabinet and used for sending feeding control signals to the PLC control main cabinet so that the PLC control main cabinet controls the opening and closing of the corresponding discharge valve and the corresponding discharge valve according to the feeding signals.
3. The automatic feeding system of liquid raw materials according to claim 2, characterized in that: the number of the raw material tanks is multiple, and each raw material tank is connected with a discharge valve; a plurality of stirring tanks are arranged; and the discharge valve of each raw material tank is connected with a discharge valve matched with the number of the stirring tanks.
4. The automatic feeding system of liquid raw materials according to claim 1, characterized in that: and the PLC control main cabinet is communicated with the flowmeter in a 485 communication mode.
5. The automatic feeding system of liquid raw materials according to claim 1, characterized in that: the device also comprises a pressure reducing flange; and the pressure reducing flange is arranged at the outlet end of the discharge valve and/or the blanking valve.
6. The automatic feeding system of liquid raw materials according to claim 1, characterized in that: the device also comprises a liquid level sensor; the liquid level sensor is installed in the stirring tank and is in communication connection with the PLC control main cabinet, and is used for measuring the liquid level in the stirring tank and transmitting the measurement data to the PLC control main cabinet for processing.
7. The automatic feeding system of liquid raw materials according to claim 1, characterized in that: the PLC control main cabinet is connected with the metering pump through the frequency converter, and the frequency converter is used for adjusting the rotating speed of the metering pump under the control of the PLC control main cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120029461.7U CN214670217U (en) | 2021-01-07 | 2021-01-07 | Automatic feeding system for liquid raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120029461.7U CN214670217U (en) | 2021-01-07 | 2021-01-07 | Automatic feeding system for liquid raw materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214670217U true CN214670217U (en) | 2021-11-09 |
Family
ID=78514236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120029461.7U Active CN214670217U (en) | 2021-01-07 | 2021-01-07 | Automatic feeding system for liquid raw materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214670217U (en) |
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2021
- 2021-01-07 CN CN202120029461.7U patent/CN214670217U/en active Active
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